Bridge conditions in Miami-Dade County, Florida

1,056 inventoried bridges · 55 rated poor · 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

55 of the 1,056 bridges the federal inventory lists in Miami-Dade County are rated poor; the rest split 732 good and 269 fair.

• 55 of the 1,056 bridges in Miami-Dade County, Florida, are rated in poor condition (5.2%) in the 2025 National Bridge Inventory, as of August 20, 2026.
• 732 bridges (69.3%) are rated good and 269 (25.5%) fair.
• The median Miami-Dade County bridge was built in 1973.
• The busiest poor-rated bridge is I-195 (SR-112) over SR-5 & Fec R/R (built 1961), carrying about 151,500 vehicles a day.

Good 69.3% · Fair 25.5% · Poor 5.2% of 1,056 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Busiest bridges in the county

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Florida: Florida bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.